Finding the Fourth Proportional to 2,133.93, 2,944.72 and 1,189.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,133.93 : 2,944.72 = 1,189.82 : x
2. Step 2: Convert to fraction form
   2,133.93/2,944.72 = 1,189.82/x
3. Step 3: Cross multiply
   2,133.93x = 2,944.72 × 1,189.82
4. Step 4: Simplify right side
   2,133.93x = 3,503,680.80
5. Step 5: Solve for x
   x = 3,503,680.80/2,133.93
6. Step 6: Final answer
   x = 1,641.90